Orthosis



FIG. 1 is a perspective view of an orthosis according to the present invention;

FIG. 2 is top view thereof;

FIG. 3 is right side view thereof;

FIG. 4 is left side view thereof;

FIG. 5 is front view thereof;

FIG. 6 is rear view thereof; and,

FIG. 7 is bottom view thereof.

The broken lines illustrate portions of the orthosis which form no part of the claimed design. 

The ornamental design for an orthosis, as shown and described. 